The lesson looks at the two theories of the universe being created - Big bang and steady state.
They use the key cards and split between inferences and observations then use them to decide which is a better model and why
Lesson 6 of an 8 part series. This teaches students how to draw graphs, spot mistakes in graphs and gives them a checklist to work to.
Lesson includes a guided powerpoint and the related worksheets (differentiated task)
This is a free resource as part of the working scientifically bundle. To purchase the rest of the items, please look for my bundle!
Worksheet looking at waves travelling through different media.
Starter used a bell jar.
This is a practical based lesson with three different activities
Use rulers to demonstrate amplitude and pitch. My starter was me playing happy birthday with a 15cm ruler, and Jingle Bells (it was December when I planned this)
Practical activity.
In pairs students pick a type of ear to make. They then stand near the sound source that is included and walk backward until they can no longer hear the sound. The sound needs to be very low, along with the class being quiet.
Two elephant ears should be the best.
Intro to the lesson has the students covering things from previous lessons.
Then move on to all the conservation laws with lots of examples (some with answers) for the students to complete.
Introduction to the particle families and how they are broken down. Then introduce how lepton number works. Some examples on the board and then a worksheet to complete. Plenary has the student devising games
Include demo's such as:
1. One nail bursting a balloon, then bed of nails not bursting the balloon
2. Crushing can (youtube)
3. Inflateable marshmallowman (youtube)